<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>flow 的用法</title>
    <link rel="stylesheet" href="./index.css" />
  </head>
  <body>
    <div class="container">
      <div class="sides-space"></div>
      <div class="left">aaaaaaaa</div>
      <div class="center-space"></div>
      <div class="right">bbbbb</div>
      <div class="sides-space"></div>
    </div>

    <div class="view">
      <div class="view-left"></div>
      <div class="view-content">
        mode: "production", // enable many optimizations for production builds
        mode: "development", // enabled useful tools for development mode:
        "none", // no defaults
      </div>
      <div class="view-right"></div>
    </div>
  </body>
</html>
